Privacy Policy
Last updated: October 2026
The short version
Our calculators run entirely in your browser. The prices, shipping amounts and costs you type in are never sent to or stored on our servers — close the tab and they're gone. We don't have accounts, sign-ups or payments on this site. The only data involved in using this site is standard web analytics and advertising cookies, described below.
Information we collect
- Calculator inputs: none. All calculations happen locally on your device.
- Usage data: like most websites, our hosting and analytics providers may process technical data such as pages visited, approximate location (country/region), device and browser type, and referring pages. This is aggregated and used to understand which tools are useful.
- Contact messages: if you email or message us, we receive your email address and the contents of your message, and use them only to reply.
Cookies and advertising
This site is supported by display advertising, including Google AdSense. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this and other websites. Google's use of advertising cookies enables it and its partners to serve ads to you based on your visits to this site and/or other sites on the internet.
- You can opt out of personalised advertising by visiting Google Ads Settings (adssettings.google.com).
- You can opt out of many third-party vendors' use of cookies for personalised advertising at aboutads.info.
- You can also block or delete cookies in your browser settings; the calculators work fine with cookies disabled.
How we use information
We use aggregated usage data to improve the calculators and guides, and contact information only to respond to you. We do not sell personal information, and we do not collect financial information of any kind — we are a calculator, not a payment service.
Third-party links
Our guides may reference marketplace websites (such as Depop's help centre). Those sites have their own privacy policies, which we don't control.
Children
This site is a general-audience tool and is not directed at children under 13. We do not knowingly collect information from children.
Changes to this policy
If this policy changes, we'll update this page and the "last updated" date above. Continued use of the site after a change means you accept the updated policy.
Contact
Questions about privacy? Reach us via the contact page.